The following are lecture versions (no text) of the biology animations found on this web site.
Enzyme Activity
Mitosis
Meiosis
DNA Replication
Protein Synthesis
Downloadable Documents:
Secrets Through The Smoke video question sheet
Past Living Environment Exams:
Links for Biology Teachers:
Dragonfly Textbook web site 
Excellent site of resources by teacher Shannon Muskopf
Univ Of Arizona's Biology Project
Cornell Theory Center Math and Science Gateway
Harvard Univ. Biology Link Page
MERLOT (Multimedia Educational Resource for Learning & Online Teaching
Bio-Lessons from about.com 
Public Library of Science - Biology (A free online biology journal)
Biology Lesson Plan Index (From Columbia University's Science Teacher program)
Education Resources (From Weasel World)
Biology Movie Worksheets from New York Science Teacher
Biology Lesson Plans